Triggering automatic floating benthic shrimp and crab sample trapper

A trap and self-floating technology, applied in fishing, application, animal husbandry, etc., can solve the problems of inconvenient operation, large catch, unsuitable for catching shrimp and crab, etc., and achieve the effect of small catch and convenient operation

Active Publication Date: 2016-01-13
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, the shrimp and crab nets and shrimp and crab pots used for this kind of fishing have a large catch, and they are not suitable for monitoring the quality of aquatic products in the water area to catch the shrimp and crab to be tested.
On the other hand, the current shrimp and crab nets and shrimp and cr

Method used

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  • Triggering automatic floating benthic shrimp and crab sample trapper
  • Triggering automatic floating benthic shrimp and crab sample trapper

Examples

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Example Embodiment

[0019] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:

[0020] Such as figure 1 As shown, a triggering self-floating benthos shrimp and crab sample trap includes a support frame 1, a lower rope 4b, and a number of self-floating traps arranged on the support frame. There are two or three or four self-floating traps in this embodiment. The support frame includes four vertical support rods. The lower part of the vertical support rod is provided with a stable counterweight 1a. One end of the lowering rope is connected with the support frame.

[0021] The self-floating catcher includes a traction rope 4a, a vertical limit sleeve 7 arranged on the support frame, a net-shaped shrimp trap 2 inserted in the vertical limit sleeve, a gravity ball 12 and a net-shaped shrimp trap On the automatic release device 3. The cross section of the vertical limit sleeve is circular. The net-shaped shrimp trap is a cylinder. ...

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PUM

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Abstract

The invention discloses a triggering automatic floating benthic shrimp and crab sample trapper, and provides a trapper which is small in catch and convenient in operation, and can automatically float and realize automatically sampling after shrimps are captured. The trapper comprises a support frame and a plurality of automatic floating catchers arranged on the support frame. The automatic floating catcher comprises a vertical stop collar arranged on the support frame, a mesh shrimping cylinder inserted in the vertical stop collar, a gravity ball, and an automatic release device arranged on the mesh shrimping cylinder. The upper part of the outer side surface of the mesh shrimping cylinder, above the vertical stop collar, is provided with an upper limiting block. The middle part of the bottom surface in the mesh shrimping cylinder is provided with a conical limiting guide sleeve whose cross section area gradually reduces from bottom to top. The upper end and the lower end of the conical limiting guide sleeve are provided with openings. The middle part of the bottom surface of the mesh shrimping cylinder is provided with a shrimp inlet corresponding to the lower end port of the conical limiting guide sleeve. The mesh shrimping cylinder is provided with a floating device which makes the mesh shrimping cylinder float.

Description

technical field [0001] The invention relates to a catching device, in particular to a triggered self-floating bottom-dwelling shrimp and crab sample catcher. Background technique [0002] Due to the destruction and pollution of the ecological environment of the water area, the quality of aquatic products living in the water area is seriously affected. On the other hand, with the improvement of people's living standards, while the production and consumption of aquatic products have greatly increased, the quality of aquatic products has also attracted more and more attention. Therefore, the research on whether the quality of aquatic products is affected by pollution has gradually been paid attention to; but before the quality monitoring of aquatic products, it is first necessary to capture the aquatic products samples to be tested. [0003] Most of the current shrimp catching devices are shrimp nets and shrimp pots used for fishing; when catching shrimp, the shrimp nets or sh...

Claims

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Application Information

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IPC IPC(8): A01K69/06
CPCA01K69/06
Inventor 李铁军尤炬矩薛彬张玉荣朱剑金衍健
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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